How many types of memory cells are there in the immune system?

The development of a quick immune response in a person infected with deadly microbes by administering preformed antibodies is known as:

The protein that possesses the property of immunity is .........

Assertion : $A$ person who has received a cut and is bleeding needs to be given anti-tetanus treatment.
Reason : Anti-tetanus injection provides immunity by producing antibodies for tetanus.

What is introduced into the body during vaccination?

In which type of acquired immunity are ready-made antibodies introduced into the host body?